Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Kc7 win in 5 half-moves
3 Kd7 win in 5 half-moves
4 Rc8 win in 9 half-moves
5 Kb5 draw
6 Kb6 draw
7 Kb7 draw
8 Kc5 draw
9 Ra8 draw
10 Rd8 draw
11 Rh8 draw
12 Kd5 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Kg8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves